Honeywell Ademco 5800WAVE Wireless Siren Siren output level is 95 db at three feet LED system status Transmits module status including mounting tamper low battery and AC loss to the control panel AC powered with a rechargeable 12 hour battery backup Provides temporal pulse sounding for fire alarms Compatible with Lynx R Rev 10 or higher and Vista controls that support the 5883 transceiver Plugs in to any standard duplex receptacle and installs in seconds